[empathy] empathy-chat: keep count of the number of unread messages

[Guillaume Desmottes <gdesmott src gnome org>]

commit b01de2f8b4e0ba170e1194615290e3d80865083f
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Wed Nov 25 17:03:00 2009 +0000

    empathy-chat: keep count of the number of unread messages

 libempathy-gtk/empathy-chat.c |   23 +++++++++++++++++++++++
 libempathy-gtk/empathy-chat.h |    3 +++
 2 files changed, 26 insertions(+), 0 deletions(-)
---
diff --git a/libempathy-gtk/empathy-chat.c b/libempathy-gtk/empathy-chat.c
index 372e90c..d9a72d3 100644
--- a/libempathy-gtk/empathy-chat.c
+++ b/libempathy-gtk/empathy-chat.c
@@ -93,6 +93,8 @@ typedef struct {
 	GtkWidget         *label_topic;
 	GtkWidget         *contact_list_view;
 	GtkWidget         *info_bar_vbox;
+
+	guint              unread_messages;
 } EmpathyChatPriv;
 
 typedef struct {
@@ -1074,6 +1076,7 @@ chat_message_received (EmpathyChat *chat, EmpathyMessage *message)
 			       TP_CHANNEL_CHAT_STATE_ACTIVE,
 			       chat);
 
+	priv->unread_messages++;
 	g_signal_emit (chat, signals[NEW_MESSAGE], 0, message);
 }
 
@@ -2801,3 +2804,23 @@ empathy_chat_is_room (EmpathyChat *chat)
 	return (priv->handle_type == TP_HANDLE_TYPE_ROOM);
 }
 
+guint
+empathy_chat_get_nb_unread_messages (EmpathyChat *self)
+{
+	EmpathyChatPriv *priv = GET_PRIV (self);
+
+	g_return_val_if_fail (EMPATHY_IS_CHAT (self), FALSE);
+
+	return priv->unread_messages;
+}
+
+/* called when the messages have been read by user */
+void
+empathy_chat_messages_read (EmpathyChat *self)
+{
+	EmpathyChatPriv *priv = GET_PRIV (self);
+
+	g_return_if_fail (EMPATHY_IS_CHAT (self));
+
+	priv->unread_messages = 0;
+}
diff --git a/libempathy-gtk/empathy-chat.h b/libempathy-gtk/empathy-chat.h
index 9123d11..9e09850 100644
--- a/libempathy-gtk/empathy-chat.h
+++ b/libempathy-gtk/empathy-chat.h
@@ -84,6 +84,9 @@ void               empathy_chat_correct_word         (EmpathyChat   *chat,
 gboolean           empathy_chat_is_room              (EmpathyChat   *chat);
 void               empathy_chat_set_show_contacts    (EmpathyChat *chat,
                                                       gboolean     show);
+guint              empathy_chat_get_nb_unread_messages (EmpathyChat   *chat);
+
+void               empathy_chat_messages_read        (EmpathyChat *self);
 G_END_DECLS
 
 #endif /* __EMPATHY_CHAT_H__ */